%%
%% This is file `russianb.ldf',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% russianb.dtx  (with options: `code')
%% ----------------------------------------------------------------
%% Russian Language Support for the Babel package
%% 
%% Released under the LaTeX Project Public License v1.3c or later
%% See http://www.latex-project.org/lppl.txt
%% 
%% Current version 1.3m dated by 2021-01-10
%% 
%% Submit feature request at https://github.com/kia999/babel-russian
%% ----------------------------------------------------------------
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{russianb.ldf}[2021/01/10 1.3m Russian support for the Babel system]
\ProvidesLanguage{russian}
    [2020/09/09 1.3k Russian support for the Babel system]
\LdfInit{russian}{captionsrussian}
\ifdefined\if@uni@ode
  \PackageError{babel}{if@uni@ode already defined.\MessageBreak
    Please contact author of russianb.ldf}
  \relax
\fi
\newif\if@uni@ode
\ifdefined\luatexversion \@uni@odetrue \else
\ifdefined\XeTeXrevision \@uni@odetrue \fi\fi
\ifx\l@russian\@undefined
  \@nopatterns{Russian}
  \adddialect\l@russian0
\fi
\def\@setcyrillicencoding{%
  \def\sce@a##1##2{%
    \edef\sce@b{##1}%
    \edef\sce@c{##2}%
    \ifx\sce@b\sce@c
      \let\cyrillicencoding\sce@c
    \fi}%
  \def\cdp@elt##1##2##3##4{%
    \sce@a{##1}{OT2}%
    \sce@a{##1}{LCY}%
    \sce@a{##1}{X2}%
    \sce@a{##1}{T2C}%
    \sce@a{##1}{T2B}%
    \sce@a{##1}{T2A}%
    \if@uni@ode
      %\sce@a{##1}{EU1}%
      %\sce@a{##1}{EU2}%
      \sce@a{##1}{TU}%
    \fi}%
  \cdp@list
}
\ifx\cyrillicencoding\undefined
  \@setcyrillicencoding
\fi
\@onlypreamble\@setcyrillicencoding
\@onlypreamble\sce@a
\@onlypreamble\sce@b
\@onlypreamble\sce@c
\ifx\cyrillicencoding\undefined
  \if@uni@ode
    %\ifdefined\XeTeXrevision
    %  \edef\cyrillicencoding{EU1}
    %\else\ifdefined\luatexversion
    %  \edef\cyrillicencoding{EU2}
    %\fi\fi
    \edef\cyrillicencoding{TU}
  \else
    \edef\cyrillicencoding{T2A}
  \fi
  \PackageWarning{babel}%
    {No Cyrillic font encoding has been loaded so far.\MessageBreak
     A font encoding should be declared before babel.\MessageBreak
     Default `\cyrillicencoding' encoding will be loaded
    }%
  \lowercase\expandafter{\expandafter\input\cyrillicencoding enc.def\relax}%
  \AtBeginDocument{\@setcyrillicencoding}
\fi
\DeclareRobustCommand{\Russian}{\selectlanguage{russian}}
\DeclareRobustCommand{\cyrillictext}{%
  \fontencoding\cyrillicencoding\selectfont
  \let\encodingdefault\cyrillicencoding
  \expandafter\set@hyphenmins\russianhyphenmins
  \language\l@russian}%
\let\cyr\cyrillictext
%%\DeclareRobustCommand{\English}{%
%%  \fontencoding\latinencoding\selectfont
%%  \let\encodingdefault\latinencoding
%%  \expandafter\set@hyphenmins\englishhyphenmins
%%  \language\l@english}%
%%\let\Eng\English
%%\DeclareRobustCommand{\latintext}{%
%%  \fontencoding{\latinencoding}\selectfont
%%  \def\encodingdefault{\latinencoding}}
%%\let\lat\latintext
\DeclareTextFontCommand{\textcyrillic}{\cyrillictext}
%%\expandafter\ifx\csname T@X2\endcsname\relax\else
%%  \DeclareTextSymbolDefault{\AA}{OT1}
%%  \DeclareTextSymbolDefault{\aa}{OT1}
%%  \DeclareTextCommand{\aa}{OT1}{\r a}
%%  \DeclareTextCommand{\AA}{OT1}{\r A}
%%\fi
%%\@ifpackageloaded{inputenc}{%
%%% \if@uni@ode
%%%   \PackageWarning{babel}{inputenc should not be used with LuaTeX or XeTeX}
%%% \fi
%% \ifdefined\luatexversion
%%   \PackageWarning{babel}{inputenc should not be used with LuaTeX}
%% \fi}{%
%%  %\def\reserved@a{LWN}%
%%  %\ifx\reserved@a\cyrillicencoding\else
%%    \def\reserved@a{OT2}%
%%    \ifx\reserved@a\cyrillicencoding\else
%%       \def\reserved@a{TU}%
%%       \ifx\reserved@a\cyrillicencoding\else
%%         \PackageWarning{babel}%
%%           {No input encoding specified for Russian language}
%%    \fi\fi
%%  %\fi
%%}
\initiate@active@char{"}
%%\def\mdqon{\bbl@activate{"}}
%%\def\mdqoff{\bbl@deactivate{"}}
\begingroup \catcode`\"12
\def\reserved@a{\endgroup
  \def\@SS{\mathchar"7019 }
  \def\dq{"}}
\reserved@a
\declare@shorthand{russian}{"`}{\quotedblbase}
\declare@shorthand{russian}{"'}{\textquotedblleft}
\declare@shorthand{russian}{"<}{\guillemotleft}
\declare@shorthand{russian}{">}{\guillemotright}
\providecommand\texorpdfstring[2]{#1}
\declare@shorthand{russian}{""}{\hskip\z@skip}
\declare@shorthand{russian}{"~}{\texorpdfstring{\textormath{\leavevmode\hbox{-}}{-}}{-}}
\declare@shorthand{russian}{"=}{\nobreak-\hskip\z@skip}
\declare@shorthand{russian}{"|}{%
  \texorpdfstring{%
   \textormath{\nobreak\discretionary{-}{}{\kern.03em}\allowhyphens}{}}{}}
\declare@shorthand{russian}{"-}{%
  \texorpdfstring{\def\russian@sh@tmp{%
    \if\russian@sh@next-\expandafter\russian@sh@emdash
    \else\expandafter\russian@sh@hyphen\fi}%
  \futurelet\russian@sh@next\russian@sh@tmp}{-}}
\def\russian@sh@hyphen{\nobreak\-\bbl@allowhyphens}
\def\russian@sh@emdash#1#2{\cdash-#1#2}
\def\cdash#1#2#3{\def\tempx@{#3}%
\def\tempa@{-}\def\tempb@{~}\def\tempc@{*}%
 \ifx\tempx@\tempa@\@Acdash\else
  \ifx\tempx@\tempb@\@Bcdash\else
   \ifx\tempx@\tempc@\@Ccdash\else
    \errmessage{Wrong usage of cdash}\fi\fi\fi}
\def\@Acdash{\ifdim\lastskip>\z@\unskip\nobreak\hskip.2em\fi
  \cyrdash\hskip.2em\ignorespaces}%
\def\@Bcdash{\leavevmode\ifdim\lastskip>\z@\unskip\fi
 \nobreak\cyrdash\penalty\exhyphenpenalty\hskip\z@skip\ignorespaces}%
\def\@Ccdash{\leavevmode
 \nobreak\cyrdash\nobreak\hskip.35em\ignorespaces}%
\declare@shorthand{russian}{",}{\nobreak\hskip.2em\ignorespaces}
\PackageInfo{babel}{Default for \string\cyrdash\space is provided}
%%\ProvideTextCommandDefault{\cyrdash}{\iflanguage{russian}%
%%  {\hbox to.8em{--\hss--}}{\textemdash}}
\ProvideTextCommandDefault{\cyrdash}{\textemdash}
\if@uni@ode
  %\captionsrussian@modern
  \addto\captionsrussian{%
    \def\prefacename{Предисловие}%   [babel]
    \def\refname{Список литературы}% [only article]
    \def\abstractname{Аннотация}%    [only article, report]
    \def\bibname{Литература}%        [only book, report]
    \def\chaptername{Глава}%         [only book, report]
    \def\appendixname{Приложение}%
    \@ifundefined{thechapter}
      {\def\contentsname{Содержание}}%
      {\def\contentsname{Оглавление}}%
    \let\tocname=\contentsname
    \def\listfigurename{Список иллюстраций}%
    \def\listtablename{Список таблиц}%
    \def\indexname{Предметный указатель}%
    \def\authorname{Именной указатель}%
    \def\figurename{Рис.}%
    \def\tablename{Таблица}%
    \def\partname{Часть}%
    \def\enclname{вкл.}%
    \def\ccname{исх.}%
    \def\headtoname{вх.}%
    \def\pagename{с.}%               [letter]
    \def\seename{см.}%
    \def\alsoname{см.\ также}%
    \def\proofname{Доказательство}%  [amsthm]
    \def\glossaryname{Словарь терминов}%
    \def\acronymname{Аббревиатуры}%  [glossaries] {Acronyms}
    \def\lstlistingname{Листинг}%    [listings]  (the environment) {Listing}
    \def\lstlistlistingname{Листинги}% [listings]  (the "List of") {Listings}
    \def\notesname{Заметки}%         [endnotes] {Notes}
  }%
  %% =========================================
  %% nomencl
  \ifdefined\nomname
    \addto\captionsrussian{%
        \def\nomname{Обозначения}%
        \def\eqdeclaration#1{, см.\nobreakspace(#1)}%
        \def\pagedeclaration#1{, стр.\nobreakspace#1}%
    }%
  \fi
  %% =========================================
  %% RevTeX4 & RevTeX4-1
  %%\@ifclassloaded{revtex4-1}
  %%{<true code>}
  %%{<false coode>}%
  %\@ifclassloaded{revtex4-1}
  %{%
  \ifnum\@ifclassloaded{revtex4}{1}{\@ifclassloaded{revtex4-1}{1}{0}}>0
    \addto\captionsrussian{%
    \def\lofname{\listfigurename}
    \def\lotname{\listtablename}
    \def\figuresname{Рисунки}%{Figures}%
    \def\tablesname{Таблицы}%{Tables}%
    \def\appendixesname{Приложения}%{Appendixes}%
    \def\acknowledgmentsname{Благодарности}%{Acknowledgments}
    \def\andname{и}%{and}
    \def\@pacs@name{PACS коды: }%{PACS numbers: }%
    \def\@keys@name{Ключевые слова: }%{Keywords: }%
    \def\Dated@name{Дата: }%{Dated: }%
    \def\Received@name{Получено }%{Received }%
    \def\Revised@name{Исправленная версия }%{Revised }%
    \def\Accepted@name{Принято }%{Accepted }%
    \def\Published@name{Опубликовано }%{Published }%
    }%
  %}{}%
  \fi
  \addto\captionsrussian@ancient{%
    \def\prefacename{Предисловіе}%
    \def\refname{Примѣчанія}%
    \def\abstractname{Аннотація}%
    \def\bibname{Библіографія}%
    \def\chaptername{Глава}%
    \def\appendixname{Приложеніе}%
    \@ifundefined{thechapter}
      {\def\contentsname{Содержаніе}}%
      {\def\contentsname{Оглавленіе}}%
    \let\tocname=\contentsname
    \def\listfigurename{Списокъ иллюстрацій}%
    \def\listtablename{Списокъ таблицъ}%
    \def\indexname{Предмѣтный указатель}%
    \def\authorname{Именной указатель}%
    \def\figurename{Рис.}%
    \def\tablename{Таблица}%
    \def\partname{Часть}%
    \def\enclname{вкл.}%
    \def\ccname{исх.}%
    \def\headtoname{вх.}%
    \def\pagename{с.}%
    \def\seename{см.}%
    \def\alsoname{см.~также}%
    \def\proofname{Доказательство}%
    \def\glossaryname{Словарь терминов}%
    \def\acronymname{Аббревиатуры}%
    \def\lstlistingname{Листинг}%
    \def\lstlistlistingname{Листинги}%
    %\ifdefined\nomname
    % see http://old_russian.academic.ru/8433/%D0%BE%D0%B1%D1%8A%CB%AB%D0%B0%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%A5
      \def\nomname{Обозначенія}%{Объавлениѥ}% <-- #0465
    %\fi
    \def\notesname{Заметки}%
  }
  %% =========================================
  %% RevTeX4 & RevTeX4-1
  %\@ifclassloaded{revtex4-1}
  %{%
  \ifnum\@ifclassloaded{revtex4}{1}{\@ifclassloaded{revtex4-1}{1}{0}}>0
    \addto\captionsrussian@ancient{%
    \def\lofname{\listfigurename}
    \def\lotname{\listtablename}
    \def\figuresname{Рисунки}%{Figures}%
    \def\tablesname{Таблицы}%{Tables}%
    \def\appendixesname{Приложения}%{Appendixes}%
    \def\acknowledgmentsname{Благодарности}%{Acknowledgments}
    \def\andname{и}%{and}
    \def\@pacs@name{PACS коды: }%{PACS numbers: }%
    \def\@keys@name{Ключевые слова: }%{Keywords: }%
    \def\Dated@name{Дата: }%{Dated: }%
    \def\Received@name{Получено }%{Received }%
    \def\Revised@name{Исправленная версия }%{Revised }%
    \def\Accepted@name{Принято }%{Accepted }%
    \def\Published@name{Опубликовано }%{Published }%
    }%
  %}{}%
  \fi
  %% =========================================
\else
  %\def\captionsrussian@modern{%
  \addto\captionsrussian{%
    \def\prefacename{%
      {\cyr\CYRP\cyrr\cyre\cyrd\cyri\cyrs\cyrl\cyro\cyrv\cyri\cyre}}%
    \def\refname{%
      {\cyr\CYRS\cyrp\cyri\cyrs\cyro\cyrk\
      \cyrl\cyri\cyrt\cyre\cyrr\cyra\cyrt\cyru\cyrr\cyrery}}%
    \def\abstractname{%
      {\cyr\CYRA\cyrn\cyrn\cyro\cyrt\cyra\cyrc\cyri\cyrya}}%
      \def\bibname{%
        {\cyr\CYRL\cyri\cyrt\cyre\cyrr\cyra\cyrt\cyru\cyrr\cyra}}%
    \def\chaptername{{\cyr\CYRG\cyrl\cyra\cyrv\cyra}}%
    \def\appendixname{%
      {\cyr\CYRP\cyrr\cyri\cyrl\cyro\cyrzh\cyre\cyrn\cyri\cyre}}%
    \@ifundefined{thechapter}%
      {\def\contentsname{%
        {\cyr\CYRS\cyro\cyrd\cyre\cyrr\cyrzh\cyra\cyrn\cyri\cyre}}}%
      {\def\contentsname{%
        {\cyr\CYRO\cyrg\cyrl\cyra\cyrv\cyrl\cyre\cyrn\cyri\cyre}}}%
    \let\tocname=\contentsname
    \def\listfigurename{%
      {\cyr\CYRS\cyrp\cyri\cyrs\cyro\cyrk
        \ \cyri\cyrl\cyrl\cyryu\cyrs\cyrt\cyrr\cyra\cyrc\cyri\cyrishrt}}%
    \def\listtablename{%
      {\cyr\CYRS\cyrp\cyri\cyrs\cyro\cyrk
        \ \cyrt\cyra\cyrb\cyrl\cyri\cyrc}}%
    \def\indexname{%
      {\cyr\CYRP\cyrr\cyre\cyrd\cyrm\cyre\cyrt\cyrn\cyrery\cyrishrt
        \ \cyru\cyrk\cyra\cyrz\cyra\cyrt\cyre\cyrl\cyrsftsn}}%
    \def\authorname{%
      {\cyr\CYRI\cyrm\cyre\cyrn\cyrn\cyro\cyrishrt
        \ \cyru\cyrk\cyra\cyrz\cyra\cyrt\cyre\cyrl\cyrsftsn}}%
    \def\figurename{{\cyr\CYRR\cyri\cyrs.}}%
    \def\tablename{{\cyr\CYRT\cyra\cyrb\cyrl\cyri\cyrc\cyra}}%
    \def\partname{{\cyr\CYRCH\cyra\cyrs\cyrt\cyrsftsn}}%
    \def\enclname{{\cyr\cyrv\cyrk\cyrl.}}%
    \def\ccname{{\cyr\cyri\cyrs\cyrh.}}%
    \def\headtoname{{\cyr\cyrv\cyrh.}}%
    \def\pagename{{\cyr\cyrs.}}%
    \def\seename{{\cyr\cyrs\cyrm.}}%
    \def\alsoname{{\cyr\cyrs\cyrm.\ \cyrt\cyra\cyrk\cyrzh\cyre}}%
    \def\proofname{{\cyr\CYRD\cyro\cyrk\cyra\cyrz\cyra\cyrt
       \cyre\cyrl\cyrsftsn\cyrs\cyrt\cyrv\cyro}}%
    \def\glossaryname{{\cyr\CYRS\cyrl\cyro\cyrv\cyra\cyrr\cyrsftsn\
       \cyrt\cyre\cyrr\cyrm\cyri\cyrn\cyro\cyrv}}%
    \def\acronymname{\CYRA\cyrb\cyrb\cyrr\cyre\cyrv\cyri\cyra\cyrt\cyru\cyrr\cyrery}%
    \def\lstlistingname{\CYRL\cyri\cyrs\cyrt\cyri\cyrn\cyrg}%
    \def\lstlistlistingname{\CYRL\cyri\cyrs\cyrt\cyri\cyrn\cyrg\cyri}%
    \def\nomname{\CYRO\cyrb\cyro\cyrz\cyrn\cyra\cyrch\cyre\cyrn\cyri\cyrya}%
    \def\notesname{\CYRZ\cyra\cyrm\cyre\cyrt\cyrk\cyri}%
  }%
  %% =========================================
  %% RevTeX4 & RevTeX4-1
  \ifnum \@ifclassloaded{revtex4}{1}{\@ifclassloaded{revtex4-1}{1}{0}}>0
    \addto\captionsrussian{%
    \def\lofname{\listfigurename}
    \def\lotname{\listtablename}
    \def\figuresname{\CYRR\cyri\cyrs\cyru\cyrn\cyrk\cyri}%{Figures}%
    \def\tablesname{\CYRT\cyra\cyrb\cyrl\cyri\cyrc\cyrery}%{Tables}%
    \def\appendixesname{\CYRP\cyrr\cyri\cyrl\cyro\cyrzh\cyre\cyrn\cyri\cyrya}%{Appendixes}%
    \def\acknowledgmentsname{\CYRB\cyrl\cyra\cyrg\cyro\cyrd\cyra\cyrr\cyrn\cyro\cyrs\cyrt\cyri}%{Acknowledgments}
    \def\andname{\cyri}%{and}
    \def\@pacs@name{PACS \cyrk\cyro\cyrd\cyrery: }%{PACS numbers: }%
    \def\@keys@name{\CYRK\cyrl\cyryu\cyrch\cyre\cyrv\cyrery\cyre \cyrs\cyrl\cyro\cyrv\cyra: }%{Keywords: }%
    \def\Dated@name{\CYRD\cyra\cyrt\cyra: }%{Dated: }%
    \def\Received@name{\CYRP\cyro\cyrl\cyru\cyrch\cyre\cyrn\cyro }%{Received }%
    \def\Revised@name{\CYRI\cyrs\cyrp\cyrr\cyra\cyrv\cyrl\cyre\cyrn\cyrn\cyra\cyrya \cyrv\cyre\cyrr\cyrs\cyri\cyrya }%{Revised }%
    \def\Accepted@name{\CYRP\cyrr\cyri\cyrn\cyrya\cyrt\cyro }%{Accepted }%
    \def\Published@name{\CYRO\cyrp\cyru\cyrb\cyrl\cyri\cyrk\cyro\cyrv\cyra\cyrn\cyro }%{Published }%
    }%
  \fi
  %% =========================================
  \addto\captionsrussian@ancient{%
    \def\prefacename{%
      {\cyr\CYRP\cyrr\cyre\cyrd\cyri\cyrs\cyrl\cyro\cyrv\cyrii\cyre}}%
    \def\refname{%
      {\cyr\CYRP\cyrr\cyri\cyrm\cyryat\cyrch\cyra\cyrn\cyrii\cyrya}}%          <-- Примѣчанія, нет \cyryat в кодировке T2*
    \def\abstractname{%
      {\cyr\CYRA\cyrn\cyrn\cyro\cyrt\cyra\cyrc\cyrii\cyrya}}%
    \def\bibname{%
      {\cyr\CYRB\cyri\cyrb\cyrl\cyrii\cyro\cyrg\cyrr\cyra\cyrf\cyrii\cyrya}}%  <-- Библіографія
    \def\chaptername{{\cyr\CYRG\cyrl\cyra\cyrv\cyra}}%
    \def\appendixname{%
      {\cyr\CYRP\cyrr\cyri\cyrl\cyro\cyrzh\cyre\cyrn\cyrii\cyre}}%
    \@ifundefined{thechapter}%
      {\def\contentsname{%
        {\cyr\CYRS\cyro\cyrd\cyre\cyrr\cyrzh\cyra\cyrn\cyrii\cyre}}}%
      {\def\contentsname{%
        {\cyr\CYRO\cyrg\cyrl\cyra\cyrv\cyrl\cyre\cyrn\cyrii\cyre}}}%
    \let\tocname=\contentsname
    % Списокъ иллюстрацій
    \def\listfigurename{%
      {\cyr\CYRS\cyrp\cyri\cyrs\cyro\cyrk\cyrhrdsn\
       \cyri\cyrl\cyrl\cyryu\cyrs\cyrt\cyrr\cyra\cyrc\cyrii\cyrishrt}}
    % Списокъ таблицъ
    \def\listtablename{%
      {\cyr\CYRS\cyrp\cyri\cyrs\cyro\cyrk\cyrhrdsn\
       \cyrt\cyra\cyrb\cyrl\cyri\cyrc\cyrhrdsn}}%
    % Предмѣтный указатель, ѣ (\cyryat) in X2 encoding only
    \def\indexname{%
      {\cyr\CYRP\cyrr\cyre\cyrd\cyrm\cyryat\cyrt\cyrn\cyrery\cyrishrt\space
       \cyru\cyrk\cyra\cyrz\cyra\cyrt\cyre\cyrl\cyrsftsn}}%
    \def\authorname{%
      {\cyr\CYRI\cyrm\cyre\cyrn\cyrn\cyro\cyrishrt\
       \cyru\cyrk\cyra\cyrz\cyra\cyrt\cyre\cyrl\cyrsftsn}}%
    \def\figurename{{\cyr\CYRR\cyri\cyrs.}}%
    \def\tablename{{\cyr\CYRT\cyra\cyrb\cyrl\cyri\cyrc\cyra}}%
    \def\partname{{\cyr\CYRCH\cyra\cyrs\cyrt\cyrsftsn}}%
    \def\enclname{{\cyr\cyrv\cyrk\cyrl.}}%
    \def\ccname{{\cyr\cyri\cyrs\cyrh.}}%
    \def\headtoname{{\cyr\cyrv\cyrh.}}%
    \def\pagename{{\cyr\cyrs.}}%
    \def\seename{{\cyr\cyrs\cyrm.}}%
    \def\alsoname{{\cyr\cyrs\cyrm.\ \cyrt\cyra\cyrk\cyrzh\cyre}}%
    \def\proofname{{\cyr\CYRD\cyro\cyrk\cyra\cyrz\cyra\cyrt
      \cyre\cyrl\cyrsftsn\cyrs\cyrt\cyrv\cyro}}%
    \def\glossaryname{{\cyr\CYRS\cyrl\cyro\cyrv\cyra\cyrr\cyrsftsn\
      \cyrt\cyre\cyrr\cyrm\cyri\cyrn\cyro\cyrv}}% <-- Needs translation
    \def\acronymname{\CYRA\cyrb\cyrb\cyrr\cyre\cyrv\cyri\cyra\cyrt\cyru\cyrr\cyrery}%
    \def\lstlistingname{\CYRL\cyri\cyrs\cyrt\cyri\cyrn\cyrg}%
    \def\lstlistlistingname{\CYRL\cyri\cyrs\cyrt\cyri\cyrn\cyrg\cyri}%
    \def\nomname{\CYRO\cyrb\cyro\cyrz\cyrn\cyra\cyrch\cyre\cyrn\cyrii\cyrya}%
    \def\notesname{\CYRZ\cyra\cyrm\cyre\cyrt\cyrk\cyri}%
  }%
  %% =========================================
  %% RevTeX4 & RevTeX4-1
  \ifnum \@ifclassloaded{revtex4}{1}{\@ifclassloaded{revtex4-1}{1}{0}}>0
    \addto\captionsrussian@ancient{%
    \def\lofname{\listfigurename}
    \def\lotname{\listtablename}
    \def\figuresname{\CYRR\cyri\cyrs\cyru\cyrn\cyrk\cyri}%{Figures}%
    \def\tablesname{\CYRT\cyra\cyrb\cyrl\cyri\cyrc\cyrery}%{Tables}%
    \def\appendixesname{\CYRP\cyrr\cyri\cyrl\cyro\cyrzh\cyre\cyrn\cyri\cyrya}%{Appendixes}%
    \def\acknowledgmentsname{\CYRB\cyrl\cyra\cyrg\cyro\cyrd\cyra\cyrr\cyrn\cyro\cyrs\cyrt\cyri}%{Acknowledgments}
    \def\andname{\cyri}%{and}
    \def\@pacs@name{PACS \cyrk\cyro\cyrd\cyrery: }%{PACS numbers: }%
    \def\@keys@name{\CYRK\cyrl\cyryu\cyrch\cyre\cyrv\cyrery\cyre \cyrs\cyrl\cyro\cyrv\cyra: }%{Keywords: }%
    \def\Dated@name{\CYRD\cyra\cyrt\cyra: }%{Dated: }%
    \def\Received@name{\CYRP\cyro\cyrl\cyru\cyrch\cyre\cyrn\cyro }%{Received }%
    \def\Revised@name{\CYRI\cyrs\cyrp\cyrr\cyra\cyrv\cyrl\cyre\cyrn\cyrn\cyra\cyrya \cyrv\cyre\cyrr\cyrs\cyri\cyrya }%{Revised }%
    \def\Accepted@name{\CYRP\cyrr\cyri\cyrn\cyrya\cyrt\cyro }%{Accepted }%
    \def\Published@name{\CYRO\cyrp\cyru\cyrb\cyrl\cyri\cyrk\cyro\cyrv\cyra\cyrn\cyro }%{Published }%
    }%
  \fi
  %% =========================================
\fi
\if@uni@ode
  \addto\daterussian{%
   \def\today{\number\day~\ifcase\month\or
    января\or
    февраля\or
    марта\or
    апреля\or
    мая\or
    июня\or
    июля\or
    августа\or
    сентября\or
    октября\or
    ноября\or
    декабря\fi
    \space \number\year~г.}}
  \def\daterussian@ancient{%
   \def\today{\number\day~\ifcase\month\or%
    января\or
    февраля\or
    марта\or
    апреля\or
    мая\or
    іюня\or
    іюля\or
    августа\or
    сентября\or
    октября\or
    ноября\or
    декабря\fi%
    \space \number\year~г.}}
\else
  \def\daterussian{%
   \def\today{\number\day~\ifcase\month\or
    \cyrya\cyrn\cyrv\cyra\cyrr\cyrya\or
    \cyrf\cyre\cyrv\cyrr\cyra\cyrl\cyrya\or
    \cyrm\cyra\cyrr\cyrt\cyra\or
    \cyra\cyrp\cyrr\cyre\cyrl\cyrya\or
    \cyrm\cyra\cyrya\or
    \cyri\cyryu\cyrn\cyrya\or
    \cyri\cyryu\cyrl\cyrya\or
    \cyra\cyrv\cyrg\cyru\cyrs\cyrt\cyra\or
    \cyrs\cyre\cyrn\cyrt\cyrya\cyrb\cyrr\cyrya\or
    \cyro\cyrk\cyrt\cyrya\cyrb\cyrr\cyrya\or
    \cyrn\cyro\cyrya\cyrb\cyrr\cyrya\or
    \cyrd\cyre\cyrk\cyra\cyrb\cyrr\cyrya\fi
    \space \number\year~\cyrg.}}
  \def\daterussian@ancient{%
   \def\today{\number\day~\ifcase\month\or
    \cyrya\cyrn\cyrv\cyra\cyrr\cyrya\or
    \cyrf\cyre\cyrv\cyrr\cyra\cyrl\cyrya\or
    \cyrm\cyra\cyrr\cyrt\cyra\or
    \cyra\cyrp\cyrr\cyre\cyrl\cyrya\or
    \cyrm\cyra\cyrya\or
    \cyrii\cyryu\cyrn\cyrya\or
    \cyrii\cyryu\cyrl\cyrya\or
    \cyra\cyrv\cyrg\cyru\cyrs\cyrt\cyra\or
    \cyrs\cyre\cyrn\cyrt\cyrya\cyrb\cyrr\cyrya\or
    \cyro\cyrk\cyrt\cyrya\cyrb\cyrr\cyrya\or
    \cyrn\cyro\cyrya\cyrb\cyrr\cyrya\or
    \cyrd\cyre\cyrk\cyra\cyrb\cyrr\cyrya\fi
    \space \number\year~\cyrg.}}
\fi
\providehyphenmins{\CurrentOption}{\tw@\tw@}
\providehyphenmins{russian}{\tw@\tw@}
\addto\extrasrussian{\cyrillictext}
\addto\noextrasrussian{\latintext}
\addto\extrasrussian{\languageshorthands{russian}}
\addto\extrasrussian{\bbl@activate{"}}
\addto\noextrasrussian{\bbl@deactivate{"}}
\addto\extrasrussian{\bbl@frenchspacing}
\addto\noextrasrussian{\bbl@nonfrenchspacing}
\def\Asbuk#1{\expandafter\russian@Alph\csname c@#1\endcsname}
\if@uni@ode
  \def\russian@Alph#1{\ifcase#1\or
    А\or Б\or В\or Г\or Д\or Е\or Ж\or
    З\or И\or К\or Л\or М\or Н\or О\or
    П\or Р\or С\or Т\or У\or Ф\or Х\or
    Ц\or Ч\or Ш\or Щ\or Э\or Ю\or Я\else\@ctrerr\fi}
\else
  \def\russian@Alph#1{\ifcase#1\or
    \CYRA\or\CYRB\or\CYRV\or\CYRG\or\CYRD\or\CYRE\or\CYRZH\or
    \CYRZ\or\CYRI\or\CYRK\or\CYRL\or\CYRM\or\CYRN\or\CYRO\or
    \CYRP\or\CYRR\or\CYRS\or\CYRT\or\CYRU\or\CYRF\or\CYRH\or
    \CYRC\or\CYRCH\or\CYRSH\or\CYRSHCH\or\CYREREV\or\CYRYU\or
    \CYRYA\else\@ctrerr\fi}
\fi
\def\asbuk#1{\expandafter\russian@alph\csname c@#1\endcsname}
\if@uni@ode
  \def\russian@alph#1{\ifcase#1\or
    а\or б\or в\or г\or д\or е\or ж\or
    з\or и\or к\or л\or м\or н\or о\or
    п\or р\or с\or т\or у\or ф\or х\or
    ц\or ч\or ш\or щ\or э\or ю\or я\else\@ctrerr\fi}
\else
  \def\russian@alph#1{\ifcase#1\or
    \cyra\or\cyrb\or\cyrv\or\cyrg\or\cyrd\or\cyre\or\cyrzh\or
    \cyrz\or\cyri\or\cyrk\or\cyrl\or\cyrm\or\cyrn\or\cyro\or
    \cyrp\or\cyrr\or\cyrs\or\cyrt\or\cyru\or\cyrf\or\cyrh\or
    \cyrc\or\cyrch\or\cyrsh\or\cyrshch\or\cyrerev\or\cyryu\or
    \cyrya\else\@ctrerr\fi}
\fi
\bbl@declare@ttribute{russian}{ancient}{%
 \PackageInfo{babel}{Russian attribute set to ancient}%
 \let\captionsrussian=\captionsrussian@ancient
 \let\daterussian=\daterussian@ancient
}
\@onlypreamble\captionsrussian@ancient
\@onlypreamble\daterussian@ancient
\AtBeginDocument{%
  \@ifpackageloaded{amsopn}
  {%
    \DeclareMathOperator{\sh}{sh}%\MakeRobust\sh
    \DeclareMathOperator{\ch}{ch}%\MakeRobust\ch
    \DeclareMathOperator{\tg}{tg}%\MakeRobust\tg
    \DeclareMathOperator{\ctg}{ctg}%\MakeRobust\ctg
    \DeclareMathOperator{\arctg}{arctg}%\MakeRobust\arctg%
    \DeclareMathOperator{\arcctg}{arcctg}%\MakeRobust\arcctg%
    \DeclareMathOperator{\cth}{cth}%\MakeRobust\cth%
    \DeclareMathOperator{\cosec}{cosec}%\MakeRobust\cosec%
    \DeclareMathOperator{\math@th}{th}%
  }{%
    \DeclareRobustCommand\sh{\mathop{\operator@font sh}\nolimits}%\MakeRobust\sh%
    \DeclareRobustCommand\ch{\mathop{\operator@font ch}\nolimits}%\MakeRobust\ch%
    \DeclareRobustCommand\tg{\mathop{\operator@font tg}\nolimits}%\MakeRobust\tg%
    \DeclareRobustCommand\ctg{\mathop{\operator@font ctg}\nolimits}%\MakeRobust\ctg%
    \DeclareRobustCommand{\arctg}{\mathop{\operator@font arctg}\nolimits}%
    \DeclareRobustCommand\arcctg{\mathop{\operator@font arcctg}\nolimits}%\MakeRobust\arcctg%
    \DeclareRobustCommand\cth{\mathop{\operator@font cth}\nolimits}%\MakeRobust\cth%
    \DeclareRobustCommand\cosec{\mathop{\operator@font cosec}\nolimits}%\MakeRobust\cosec%
    \DeclareRobustCommand{\math@th}{\mathop{\operator@font arctg}\nolimits}%
  }%
  \let\text@th\th
  \DeclareRobustCommand{\th}{\TextOrMath{\text@th}{\math@th}}
}
\def\Prob{\mathop{\kern\z@\mathsf{P}}\nolimits}
\def\Variance{\mathop{\kern\z@\mathsf{D}}\nolimits}
\if@uni@ode
  \def\nod{\mathop{\mathrm{н.о.д.}}\nolimits}
  \def\nok{\mathop{\mathrm{н.о.к.}}\nolimits}
  \def\NOD{\mathop{\mathrm{НОД}}\nolimits}
  \def\NOK{\mathop{\mathrm{НОК}}\nolimits}
  \def\Proj{\mathop{\mathrm{Пр}}\nolimits}
\else
  \def\nod{\mathop{\textnormal{\cyrn.\cyro.\cyrd.}}\nolimits}
  \def\nok{\mathop{\textnormal{\cyrn.\cyro.\cyrk.}}\nolimits}
  \def\NOD{\mathop{\textnormal{\CYRN\CYRO\CYRD}}\nolimits}
  \def\NOK{\mathop{\textnormal{\CYRN\CYRO\CYRK}}\nolimits}
  \def\Proj{\mathop{\textnormal{\CYRP\cyrr}}\nolimits}
\fi
\ldf@finish{russian}
%%
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote \"    Hash (number) \#
%%   Dollar        \$     Percent      \%    Ampersand     \&
%%   Acute accent  \'     Left paren   \(    Right paren   \)
%%   Asterisk      \*     Plus         \+    Comma         \,
%%   Minus         \-     Point        \.    Solidus       \/
%%   Colon         \:     Semicolon    \;    Less than     \<
%%   Equals        \=     Greater than \>    Question mark \?
%%   Commercial at \@     Left bracket \[    Backslash     \\
%%   Right bracket \]     Circumflex   \^    Underscore    \_
%%   Grave accent  \`     Left brace   \{    Vertical bar  \|
%%   Right brace   \}     Tilde        \~}
%%

%% Nonunicode Cyrillic Letters
%% \CYRA=А
%% \CYRB=Б
%% \CYRV=В
%% \CYRG=Г
%% \CYRGUP=Ґ
%% \CYRD=Д
%% \CYRE=Е
%% \CYRIE=Є
%% \CYRZH=Ж
%% \CYRZ=З
%% \CYRI=И
%% \CYRII=I
%% \CYRYI=Ї
%% \CYRISHRT=Й
%% \CYRK=К
%% \CYRL=Л
%% \CYRM=М
%% \CYRN=Н
%% \CYRO=О
%% \CYRP=П
%% \CYRR=Р
%% \CYRS=С
%% \CYRT=Т
%% \CYRU=У
%% \CYRF=Ф
%% \CYRH=Х
%% \CYRC=Ц
%% \CYRCH=Ч
%% \CYRSH=Ш
%% \CYRSHCH=Щ
%% \CYRYU=Ю
%% \CYRYA=Я
%% \CYRSFTSN=Ь
%%
%% \cyra=а
%% \cyrb=б
%% \cyrv=в
%% \cyrg=г
%% \cyrgup=ґ
%% \cyrd=д
%% \cyre=е
%% \cyrie=є
%% \cyrzh=ж
%% \cyrz=з
%% \cyri=и
%% \cyrii=i
%% \cyryi=ї
%% \cyrishrt=й
%% \cyrk=к
%% \cyrl=л
%% \cyrm=м
%% \cyrn=н
%% \cyro=о
%% \cyrp=п
%% \cyrr=р
%% \cyrs=с
%% \cyrt=т
%% \cyru=у
%% \cyrf=ф
%% \cyrh=х
%% \cyrc=ц
%% \cyrch=ч
%% \cyrsh=ш
%% \cyrshch=щ
%% \cyryu=ю
%% \cyrya=я
%% \cyrsftsn=ь
%% ----------------------------------------------------------------
%% Copyright 2011-2021 Igor A. Kotelnikov.
%% Copyright 1995-2008 Olga G. Lapko.
%% Copyright 1989-2012 Johannes L. Braams.
%% 
%% This file is a part of the Russian-Babel package.
%% 
%% It may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License (LPPL), either
%% version 1.3c of this license or (at your option) any later
%% version.  The latest version of this license is in the file:
%% 
%%    http://www.latex-project.org/lppl.txt
%% 
%% The package is "maintained" (as per LPPL maintenance status) by
%% Igor A. Kotelnikov.
%% 
%% The package consists of the file  russianb.dtx
%% and the derived files             russianb.ins,
%%                                   russianb.ldf,
%%                                   russianb.pdf,
%%                                   README.
%% ----------------------------------------------------------------
%%
%% End of file `russianb.ldf'.